11020032311011 has 4 divisors (see below), whose sum is σ = 11075409358000. Its totient is φ = 10964655264024.

The previous prime is 11020032311009. The next prime is 11020032311059. The reversal of 11020032311011 is 11011323002011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11020032311011 - 2¹ = 11020032311009 is a prime.

It is a super-2 number, since 2×11020032311011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020032318011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27688523196 + ... + 27688523593.

It is an arithmetic number, because the mean of its divisors is an integer number (2768852339500).

Almost surely, 2^{11020032311011} is an apocalyptic number.

11020032311011 is a deficient number, since it is larger than the sum of its proper divisors (55377046989).

11020032311011 is an equidigital number, since it uses as much as digits as its factorization.

11020032311011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55377046988.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11020032311011 its reverse (11011323002011), we get a palindrome (22031355313022).

The spelling of 11020032311011 in words is "eleven trillion, twenty billion, thirty-two million, three hundred eleven thousand, eleven".